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apport-collect 1858200

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** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1858200

Title:
  Kernel 5.4.5-050405-generic produces garbage on HDMI audio after 19.10

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  After upgrading from 19.04 to 19.10, the sound output to HDMI is
  garbage.

  The sound is great on local output, on bluetooth headphones, etc.  But
  when outputting to a HDMI TV it is garbage.

  I tried different users with the same problem.

  If I boot on Windows, the output is fine, which discards any physical
  problem, cables and TV as the source of the problem.

  I did delete any user pulseaudio configuration (and tried as a
  different one).

  I purged all system wide configuration and reinstalled the default
  pulseaudio configs with:

  apt-get -o DPkg::options::=--force-confmiss --reinstall install
  pulseaudio

  On 19.04 and before this problem did not happen at all.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: pulseaudio 1:13.0-1ubuntu1
  Uname: Linux 5.4.5-050405-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu8.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  raul       4850 F.... pulseaudio
   /dev/snd/controlC0:  raul       4850 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Fri Jan  3 09:33:11 2020
  InstallationDate: Installed on 2014-05-12 (2062 days ago)
  InstallationMedia: Error: [Errno 13] Permission denied: 
'/var/log/installer/media-info'
  SourcePackage: pulseaudio
  UpgradeStatus: Upgraded to eoan on 2019-11-17 (46 days ago)
  dmi.bios.date: 02/22/2017
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 5.12
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: P870KM_KM1
  dmi.board.vendor: Notebook
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: No Enclosure
  dmi.chassis.version: N/A
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr5.12:bd02/22/2017:svnNotebook:pnP870KM_KM1:pvrNotApplicable:rvnNotebook:rnP870KM_KM1:rvrNotApplicable:cvnNoEnclosure:ct10:cvrN/A:
  dmi.product.family: Not Applicable
  dmi.product.name: P870KM_KM1
  dmi.product.sku: Not Applicable
  dmi.product.version: Not Applicable
  dmi.sys.vendor: Notebook
  modified.conffile..etc.pulse.default.pa: [modified]
  modified.conffile..etc.pulse.system.pa: [modified]
  mtime.conffile..etc.pulse.default.pa: 2019-12-22T00:17:51.785216
  mtime.conffile..etc.pulse.system.pa: 2019-12-22T00:16:08.693216

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